MHT CET 2023 Chemistry question

Identify the product formed when vapours of 2-methylpropan-2-ol are passed over hot copper.

(A)Propanone
(B)2-MethylpropeneCorrect
(C)2-Methylpropanoic acid
(D)Propanal

Answer: (B)

Solution

When alcohol vapours are passed over reduced copper at 573 K, primary alcohols are dehydrogenated to aldehydes and secondary alcohols to ketones. A tertiary alcohol such as 2-methylpropan-2-ol, (CH)C-OH, has no hydrogen on the carbon carrying OH, so it cannot be

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Question ID VK-094561